151312541 has 2 divisors, whose sum is σ = 151312542. Its totient is φ = 151312540.

The previous prime is 151312493. The next prime is 151312543. The reversal of 151312541 is 145213151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139948900 + 11363641 = 11830^2 + 3371^2 .

It is an emirp because it is prime and its reverse (145213151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151312541 is a prime.

It is a Sophie Germain prime.

Together with 151312543, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is equal to p_8514005 and since 151312541 and 8514005 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151312543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75656270 + 75656271.

It is an arithmetic number, because the mean of its divisors is an integer number (75656271).

Almost surely, 2^151312541 is an apocalyptic number.

It is an amenable number.

151312541 is a deficient number, since it is larger than the sum of its proper divisors (1).

151312541 is an equidigital number, since it uses as much as digits as its factorization.

151312541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 23.

The square root of 151312541 is about 12300.9162666852. The cubic root of 151312541 is about 532.8745449905.

Adding to 151312541 its reverse (145213151), we get a palindrome (296525692).

The spelling of 151312541 in words is "one hundred fifty-one million, three hundred twelve thousand, five hundred forty-one".